Despite a mountain of claims that the blood cleaning product GranuFlo (a dry acid used in the operation of dialysis procedures) causes increased risk of cardiac abnormalities, Fresenius Medical, makers of the product, insist that plaintiffs have no merit in bringing suit.

Fresenius Medical Care, the manufacturer of Granuflo and NaturaLyte dialysis products, has been under legal fire as of late. Granuflo and NaturaLyte are dialysis products used during the hemodialysis treatment phase of patients who suffer from kidney failure.